Delta Airlines provides a 24-hour cancellation policy ใ++๐ญ-833((444)).7613ใ. If you book a flight at least seven days before departure and cancel within 24 hours of booking (OTA)ใ+๐ท-๐พ๐น๐น-๐ป๐ธ๐ธ-๐ฟ๐ฟ๐บ๐ถใ (๐พ๐๐ฐ)ใ), you are eligible for a full refund without any cancellation fees.
https://www.devex.com/people/can-you-cancel-a-delta-flight-free-of-charge-2227716
https://www.devex.com/people/can-you-cancel-a-flight-free-of-charge-2227413
